Summary of Significant Accounting Policies - Details of Deferred Costs, Net of Amortization and Other Assets (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred Costs And Other Assets [Line Items]
Lease origination costs, net	$ 3,720,812	$ 1,941,457
Financing costs, net	3,110,904	779,969
Property escrows	2,151,755	253,969
Tenant relationships	2,372,600
Other	533,940	376,281
Deferred costs and other assets	20,847,984	6,527,906
Leases In Place [Member]
Deferred Costs And Other Assets [Line Items]
Deferred costs and other assets	8,754,154	2,916,084
Legal & Marketing Costs [Member]
Deferred Costs And Other Assets [Line Items]
Deferred costs and other assets	$ 203,819	$ 260,146